"SCIENTIFIC hatch"

Snap on battery connectors for your electronics projects.

Quality ceramic resistors, perfect for physics experiments.

Demonstrate refraction and internal reflection.

Control the current direction in circuits.

Small temperature difference create motion in this unique engine.

Unique LED that works with any direction of current.

Both versions of these economy tuning fork sets come with a mallet designed for one hard and one soft end for use with all frequencies of forks.

Equilateral prisms, made from high quality clear acrylic sheet.

Whiteboard Color Optics are a complete system for investigating color, reflection, and refraction.

Six aluminum replacement leaves for the Electroscope Assembly without Flask.

For physics experiments and demonstrations such as kinetic, density and volume measurements, pendulum bob, potential energy and conservation experiments, ballistics etc. Solid ball, 1-1/2" (40mm) diameter. Made of Steel. Sold as a pair. Comes with a Teacher's Guide.

Perfect compliment for a ray box.

Right angle and equilateral prisms are available in a variety of forms.

Spare color filter set to be used with Light Box and Optical Set.

This wooden machine has a sturdy wooden construction ideal for classroom use.

This ray box is ideal for optical demonstrations in the classroom.